/*
 * Copyright (c) 2016-2019 Michael Zhang <yidongnan@gmail.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package keter.starter.service.impl;

import com.google.common.collect.Lists;
import keter.starter.demo.Demo;
import keter.starter.service.DemoProcessor;
import keter.starter.service.annotation.DemoService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.util.ReflectionUtils;

import java.util.Arrays;
import java.util.Collection;

/**
 * 处理注解
 */
public class DemoServiceProcessor implements ApplicationContextAware, DemoProcessor {

    private static final Logger logger = LoggerFactory.getLogger(DemoServiceProcessor.class);
    private ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(final ApplicationContext applicationContext) {
        this.applicationContext = applicationContext;
    }

    @Override
    public Collection process() {
        logger.info("invoke me!");
        Collection<String> beanNames =
                Arrays.asList(this.applicationContext.getBeanNamesForAnnotation(DemoService.class));
        beanNames.forEach(beanName -> {
            Class clazz = applicationContext.getBean(beanName).getClass();
            DemoService service = applicationContext.findAnnotationOnBean(beanName, DemoService.class);
            logger.info("Service name is:{}",service.name());
            ReflectionUtils.doWithFields(clazz, field ->{
                ReflectionUtils.makeAccessible(field);
                DemoService demoField = AnnotationUtils.findAnnotation(field, DemoService.class);
                if (demoField == null) {
                    return;
                }
                logger.info("field name is:{}, Annotation name is:{}",
                        field.getName(), field.getAnnotation(DemoService.class).name()
                );
//                Demo bean = (Demo) applicationContext.getBean(beanName);
                Demo bean = (Demo) field.get(applicationContext.getBean(beanName));
                bean.getUrl();

            });
        });

        beanNames.forEach(beanName -> {
            Class clazz = applicationContext.getBean(beanName).getClass();
            DemoService service = applicationContext.findAnnotationOnBean(beanName, DemoService.class);
            logger.info("Service name is:{}",service.name());
            ReflectionUtils.doWithMethods(clazz, method ->{
                ReflectionUtils.makeAccessible(method);
                DemoService demoMethod = AnnotationUtils.findAnnotation(method, DemoService.class);
                if (demoMethod == null) {
                    return;
                }
                logger.info("Method name is:{}, Annotation name is:{}",
                    method.getName(), method.getAnnotation(DemoService.class).name()
                );
            });
        });

        return Lists.newArrayListWithCapacity(beanNames.size());
    }
}
